ACCOUNTS AND OTHER RECEIVABLES - Components of Accounts and Other Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current
Trade accounts receivable	$ 663.1	$ 548.8
Trade notes receivable	1.0	1.7
Total trade receivables	664.1	550.5
Other notes receivable	0.0	0.0
Taxes receivable, including income taxes	13.2	12.9
Other receivables	8.5	13.4
Subtotal other receivables	21.7	26.3
Total trade and other receivables	685.8	576.8
Allowance for doubtful accounts, Current
Trade accounts receivable	(8.4)	(5.2)
Trade notes receivable	(0.1)	0.0
Total trade receivables	(8.5)	(5.2)
Other notes receivable	0.0	0.0
Total allowance for doubtful accounts	(8.5)	(5.2)
Total receivables, net	677.3	571.6
Long-term
Trade accounts receivable	0.0	0.0
Trade notes receivable	0.7	1.4
Total trade receivables	0.7	1.4
Other notes receivable	24.2	24.2
Taxes receivable, including income taxes	0.0	0.0
Other receivables	0.0	0.0
Subtotal other receivables	24.2	24.2
Total trade and other receivables	24.9	25.6
Allowance for doubtful accounts, Long-term
Trade accounts receivable	0.0	0.0
Trade notes receivable	0.0	0.0
Total trade receivables	0.0	0.0
Other notes receivable	(15.0)	(15.0)
Total allowance for doubtful accounts	(15.0)	(15.0)
Total net receivables	9.9	10.6
Residential Products
Current
Trade accounts receivable	26.8	26.7
Allowance for doubtful accounts, Long-term
Allowance for credit losses	$ 16.0	15.9
Notes Receivable | Residential Products
Allowance for doubtful accounts, Long-term
Allowance for credit losses		15.0
Trade Accounts Receivable | Residential Products
Allowance for doubtful accounts, Long-term
Allowance for credit losses		$ 0.9